4143242 has 8 divisors (see below), whose sum is σ = 6316932. Its totient is φ = 2037600.

The previous prime is 4143241. The next prime is 4143253. The reversal of 4143242 is 2423414.

It can be written as a sum of positive squares in 2 ways, for example, as 2886601 + 1256641 = 1699^2 + 1121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4143241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16859 + ... + 17102.

Almost surely, 2^4143242 is an apocalyptic number.

4143242 is a deficient number, since it is larger than the sum of its proper divisors (2173690).

4143242 is a wasteful number, since it uses less digits than its factorization.

4143242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34024.

The product of its digits is 768, while the sum is 20.

The square root of 4143242 is about 2035.4955170670. The cubic root of 4143242 is about 160.6127803389.

Adding to 4143242 its reverse (2423414), we get a palindrome (6566656).

The spelling of 4143242 in words is "four million, one hundred forty-three thousand, two hundred forty-two".